Guitar head stock



FIG. 1 is a perspective view of a guitar head stock illustrating my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a right side elevational;

FIG. 6 is a rear elevational view; and,

FIG. 7 is a front elevational view. 

The ornamental design for a guitar head stock, as shown. 